BT621

Comprehensive specifications and application details for: BT621 Tapered Roller Cone and Rollers.

Summary

Explore detailed summary information for bearing: BT621. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
BT621
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-100-0654
Item Name Code
00023
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1961

An assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).

1.6250 inches nominal cone width, 0.1406 inches nominal cone corner radius, 2.1250 inches nominal bore diameter, steel overall material, mrap buffalo mk2a2 end item identification

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-100-0654 . Find dimensions, materials, tolerances, performance characteristics, etc.

End Item Identification
mrap buffalo mk2a2
Bore Diameter
2.1250 inches nominal
Cone Corner Radius
0.1406 inches nominal
Cone Width
1.6250 inches nominal
Material
steel overall
Special Features
axial distance between center of roller contact line & cone stability point on shaft axis 0.5600 in.
Standard Tolerance Designation
afbma std tolerance for balls, grade 5
Style Designator
normal angle

Frequently Asked Questions

Find quick answers to common questions about bearing: BT621. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-100-0654?
The FSCG of the NSN 3110-00-100-0654 is 3110
Does the NSN 3110-00-100-0654 have a Schedule B code assigned?
Yes, the Schedule B code is 8710000090
Does NSN 3110-00-100-0654 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3110-00-100-0654 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-100-0654 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-00-100-0654 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961

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